flexi_kline 2.0.0

A flexible Kline framework package project.

2.0.0

• Replace BagNum with FlexiNum for numeric representation (Breaking Changes).
• Introduce ICandleModel interface and FlexiCandleModel; unify candle model to support custom models (Breaking Changes).
• Refactor Indicator to generic class with typed key system: IIndicatorKey sealed class with DataIndicatorKey, BusinessIndicatorKey and NormalIndicatorKey subtypes (Breaking Changes).
• Split PaintObjectIndicator into DataIndicator and BusinessIndicator with corresponding DataPaintObject and BusinessPaintObject (Breaking Changes).
• Refactor paint object interfaces: rename IPaintBoundingBox to IPaintBounding, introduce IBasePainter/IComputablePainter/IBusinessPainter, add PaintObjectComputableMixin (Breaking Changes).
• Change PaintObject initialization to lazy pattern; remove context and indicator from constructors (Breaking Changes).
• Deprecate TimeBar enum and unify with ITimeBar (Breaking Changes).
• Rename supportLongPress to enableLongPress in GestureConfig (Breaking Changes).
• Refactor project structure: extract TimeBar, LayoutMode, FlexiChartType, indicator keys and paint interfaces into independent modules; rename common.dart files to types.dart / interfaces.dart.
• Add FlexiUpdater<T> typedef and updateXxxConfig convenience methods to SettingBinding.
• Improve type safety: replace manual casts with whereType<IComputablePainter>().
• Add enableScale property to GestureConfig to allow disabling scale/zoom gestures.
• Resolve two-finger zoom gesture conflicts and optimize zoom experience.
• Add Y-axis smooth interpolation during pan to reduce coordinate jumps.
• Add panSmoothFactor and convergenceRatio to ToleranceConfig for configurable smoothing.
• Update inertial pan duration formula from log to sqrt for better velocity-to-duration mapping.
• Enhance lint rules and apply fixes across codebase.

1.2.1

• Refactor ChartType to FlexiChartType with improved structure and key property (Breaking Changes).
• Add negative number constants to BagNum (minusHundred, minusFifty, minusTen, minusThree, minusTwo, minusOne).
• Add time bar comparison methods (isSameAs, compareTimeBar) for ITimeBar.
• Improve chart framework serialization and object handling.
• Update flexi_formatter dependency to ^1.7.3.

1.2.0

• Fix multiple naming typos in public APIs (Breaking Changes).
• Add latest candle point marker for line chart.
• Refactor ChartType to sealed class; replace timeChartType/minCandleWidthChartType with timeBarChartTypes/minWidthLineType for flexible chart type configuration (Breaking Changes).
• Move hideIndicatorsInTimeChart from SettingConfig to CandleIndicator as hideIndicatorsWhenLineChart (Breaking Changes).
• Replace LinearGradient with GradientConfig for better serialization and flexibility; rename chart painting methods (Breaking Changes).

1.1.1

• Add listening for the painting range changes.
• Optimize the minmax of chart when no market fluctuation.
• Optimize the details of the zoom operation; Add listening to the zoom slide bar area.
• bugfix.

1.1.0

• Optimize the TimeBar and support flexible customization.
• Support image drawing.
• Support image and text drawing.
• Add more painting methods.
• bugfix.

1.0.0

• Optimize the calculation performance of indicators
• Optimize gesture detector performance.
• Optimize configuration management: load, store, update.
• Optimize KlineData structure.
• Added multiple chart types and styles for candlestick charts.
• Provide FlexiKlinePage mixin to assist development.
• Optimize indicator chart painting performance and configuration.
• Optimize scrolling animation.
• bugfix.

0.9.1

• Rearrange layout mode And bugfix.
• Optimize web gestures.

0.9.0

• Configuration management refactoring
• Optimization indicator framework
• Add keyboard event handling on non-touch devices
• Add layout mode: normal, adapt, fixed
• Add zoom chart feature
• bugfix

0.8.0

• New Architecture Design
• Indicator Framework Refactoring
• Adjust the height of the indicator chart by dragging the Grid line
• bugfix

0.7.1

• Support Draw Feature
• Optimize gesture

0.7.0

• Drawing overlay framework implementation
• Optimize coordinate conversion of indicator chart data
• Optimize drawing gesture processing
• Added drawing magnifying glass

0.6.0

• Support Desktop
• Support Web
• Refactor gesture recognition framework to adapt to Web/Desktop
• Demo for custom indicators and replacing built-in indicators.

0.5.0

• Support landscape mode.
• Optimize zooming functionality.
• Optimize configuration management.
• Dispose indicators when unbinding.
• Add secondary chart indicators.

0.4.0

• Theme switching implementation.
• Configuration framework optimization.
• Data loading interface encapsulation.
• Candle data merging algorithm optimization.
• Indicator calculation performance optimization.
• Gesture operation optimization.
• Flutter minimum supported version

0.3.0

• Configuration framework implementation
• Optimization of metric data calculation
• Core + framework framework optimization
• Kline implements dynamic adjustment of width and height

0.2.0

• New drawing architecture design.
• Indicator configuration management (serialization, local storage)
• Indicator calculation design and implementation Volume, MA, EMA, BOLL, MACD, KDJ, MAVOL

0.1.0

• 项目FlexiKline
• 整体框架
• 基础蜡烛图绘制
• example示例